MIC2920A-3.3BS TR

Overview

Product Category

The MIC2920A-3.3BS TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize the output voltage.

Characteristics

• Voltage regulation: The MIC2920A-3.3BS TR provides a fixed output voltage of 3.3V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Low quiescent current: The regulator has a low quiescent current, minimizing power consumption.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent overheating.

Package

The MIC2920A-3.3BS TR comes in a small surface-mount SOT-223 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

• Output Voltage: 3.3V
• Dropout Voltage: 350mV (typical)
• Quiescent Current: 120µA (typical)
• Maximum Input Voltage: 20V
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2920A-3.3BS TR has three pins:

1. Vin (Input): Connects to the input voltage source.
2. Vout (Output): Provides the regulated output voltage of 3.3V.
3. GND (Ground): Connected to the ground reference.

Functional Features

• Voltage Regulation: The MIC2920A-3.3BS TR maintains a constant output voltage of 3.3V, even with varying input voltages.
• Load Regulation: It provides stable output voltage even under varying load conditions.
• Short Circuit Protection: The regulator is designed to withstand short circuits without damage.
• Thermal Shutdown: In case of excessive temperature, the regulator shuts down to prevent overheating.

Advantages and Disadvantages

Advantages

• Stable Output Voltage: Ensures reliable operation of electronic circuits.
• Low Dropout Voltage: Efficient power conversion with minimal energy loss.
• Small Package Size: Suitable for space-constrained applications.
• Thermal Shutdown Protection: Prevents damage due to overheating.

Disadvantages

• Fixed Output Voltage: Limited flexibility in adjusting the output voltage.
• SOT-223 Package: Requires surface-mount soldering techniques.

Working Principles

The MIC2920A-3.3BS TR operates based on a linear voltage regulation principle. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant 3.3V output.

Detailed Application Field Plans

The MIC2920A-3.3BS TR finds applications in various electronic systems, including but not limited to: - Power supplies - Battery-powered devices - Embedded systems - Communication equipment - Consumer electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763-3.3: Offers lower dropout voltage and higher maximum input voltage compared to MIC2920A-3.3BS TR.
3. LP2985-3.3: Provides adjustable output voltage options along with low quiescent current.

These alternative models can be considered based on specific requirements and compatibility with the application.

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